$88 Find Cheap Frontier Flights from Seattle to San Diego

When to Book Flights with Frontier from Seattle to San Diego

• Is Frontier the cheapest airline to fly with from Seattle to San Diego?

  With an average price of $204 return, Frontier is not the cheapest airline to fly from Seattle to San Diego with. Instead, for the lowest price, our data suggests flying with Undisclosed Carrier, where a return flight costs $152 on average.

• What is the cheapest Frontier flight from Seattle to San Diego?

  In the last 3 days, the lowest price for a flight with Frontier from Seattle to San Diego was $148 for a return flight and $88 for a one-way flight.

• Does Frontier fly direct to San Diego from Seattle?

  No, Frontier does not fly the route directly.

• What’s the cheapest day of the week to fly from Seattle to San Diego with Frontier?

  On average, the cheapest day of the week to fly from Seattle to San Diego with Frontier is Tuesday, when prices are around $49. The most expensive day is generally Saturday, where the average price is around $65.

• What’s the cheapest month to fly from Seattle to San Diego with Frontier?

  The cheapest month for Frontier flights to San Diego from Seattle is generally November, where plane tickets cost $61 on average. If possible, try to avoid the most expensive months of March and September, where tickets cost $124 and $136 respectively.